Home / 20,160.59-30,241.55-9,631.80

Finding the Fourth Proportional to 20,160.59, 30,241.55 and 9,631.80

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Solution

The fourth proportional to 20,160.59, 30,241.55 and 9,631.80 is: 14,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.59 : 30,241.55 = 9,631.80 : x
  2. Step 2: Convert to fraction form
    20,160.59/30,241.55 = 9,631.80/x
  3. Step 3: Cross multiply
    20,160.59x = 30,241.55 × 9,631.80
  4. Step 4: Simplify right side
    20,160.59x = 291,280,585.37
  5. Step 5: Solve for x
    x = 291,280,585.37/20,160.59
  6. Step 6: Final answer
    x = 14,448.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.